﻿#region LicenseHeader

// Copyright 2012 The Trustees of Indiana University.  All rights reserved.
// 
// The Indiana University licenses this file to you under the Apache License, 
// Version 2.0 (the "License"); you may not use this file except in compliance 
// with the License.  You may obtain a copy of the License at 
// 
// http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software 
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
//  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  
// See the License for the specific language governing permissions and 
// limitations under the License.
// 
// @author Thilina Gunarathne (tgunarat@indiana.edu)

#endregion

#region

using AzureMRCore.DataTypes;

#endregion

namespace AzureMRCore.Partitioners
{
    public class HashPartitioner : IPartitioner
    {
        #region IPartitioner Members

        public int NumReducers { set; get; }

        public int GetReducerID(Key key)
        {
            uint hash = key.GetHashValue();
            int id = (int) (hash%NumReducers);
            return id;
        }

        #endregion
    }
}